LXR linux/kernel/trace/trace

   1#ifndef __TRACE_EVENTS_H
   2#define __TRACE_EVENTS_H
   3
   4#include <linux/trace_seq.h>
   5#include "trace.h"
   6
   7extern enum print_line_t
   8trace_print_bputs_msg_only(struct trace_iterator *iter);
   9extern enum print_line_t
  10trace_print_bprintk_msg_only(struct trace_iterator *iter);
  11extern enum print_line_t
  12trace_print_printk_msg_only(struct trace_iterator *iter);
  13
  14extern int
  15seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
  16                unsigned long sym_flags);
  17
  18extern int trace_print_context(struct trace_iterator *iter);
  19extern int trace_print_lat_context(struct trace_iterator *iter);
  20
  21extern void trace_event_read_lock(void);
  22extern void trace_event_read_unlock(void);
  23extern struct trace_event *ftrace_find_event(int type);
  24
  25extern enum print_line_t trace_nop_print(struct trace_iterator *iter,
  26                                         int flags, struct trace_event *event);
  27extern int
  28trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry);
  29
  30/* used by module unregistering */
  31extern int __unregister_trace_event(struct trace_event *event);
  32extern struct rw_semaphore trace_event_sem;
  33
  34#define SEQ_PUT_FIELD(s, x)                             \
  35        trace_seq_putmem(s, &(x), sizeof(x))
  36
  37#define SEQ_PUT_HEX_FIELD(s, x)                         \
  38        trace_seq_putmem_hex(s, &(x), sizeof(x))
  39
  40#endif
  41
  42